The video also featured Mark Ruffalo, Danai Gurira, Chris Evans, Don Cheadle and Paul Bettany, and together they brainstorm how they can help Harris. Among their ideas? Give it a slogan.

Naturally, they start listing their own characters’ catchphrases, including “I can do this all day” and “Boom!” Are you looking for this? (a niche joke for those who loved “Avengers: Age of Ultron”).

“Don’t stay away,” Ruffalo wrote in a follow-up post. “This is the one where we will lose big: Project 2025, women’s reproductive rights, climate change, LGBTQIA+ rights, public education, student debt relief, the Affordable Care Act, security social security and, starting today, life-saving vaccines. This shit is real and it’s going to come for you. Grab 3 friends and know that no matter what you are a hero. Always give your all.

This is the latest high-profile endorsement for the Democratic candidate. Other recent heavy hitters who have come forward for her include Arnold Schwarzenegger, Leonardo Di Caprio And Sarah Jessica Parkeramong others.